US4239091A - Muffler - Google Patents

Muffler Download PDF

Info

Publication number
US4239091A
US4239091A US05/933,889 US93388978A US4239091A US 4239091 A US4239091 A US 4239091A US 93388978 A US93388978 A US 93388978A US 4239091 A US4239091 A US 4239091A
Authority
US
United States
Prior art keywords
tube
muffler
necks
sound
extremities
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05/933,889
Other languages
English (en)
Inventor
Paulo M. Negrao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US4239091A publication Critical patent/US4239091A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1861—Construction facilitating manufacture, assembly, or disassembly the assembly using parts formed by casting or moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/24—Methods or apparatus for fitting, inserting or repairing different elements by bolts, screws, rivets or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/28—Methods or apparatus for fitting, inserting or repairing different elements by using adhesive material, e.g. cement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/06—Aluminium or alloys thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/18—Plastics material, e.g. polyester resin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/18—Plastics material, e.g. polyester resin
    • F01N2530/20—Plastics material, e.g. polyester resin reinforced with mineral or metallic fibres

Definitions

  • the exhaust assembly consists of one or more collectors, discharge pipes and mufflers.
  • the exhaust collector is attached to the combustion chambers and connects, through pipings, the cylinder exhaust windows joining them in a single flanged pipe.
  • the discharge pipe serves to collect the gases at the collector outlet and conduct them to the muffler. Normally, this pipe has many curves to bypass hindrances such as depressions in floors, shafts, and the like.
  • the muffler For receiving the gases from the discharge pipe and expelling them to the atmosphere, the muffler is, usually, a cylindrical box, of a circular, elliptical or oval section, the function of which is to reduce sound vibrations produced by the motor.
  • the conventional or original mufflers are those designed by manufacturers or assemblers of vehicles and/or equipment, taking strictly into consideration the official standards and the legislation in force, as well as conditions not harmful to motors and vehicles.
  • Such mufflers provide have the following advantages: they are of a low cost and have a good sound absorption, but their useful life is rather short and their load loss is high.
  • the comfort provided to users is one of the sales attractions.
  • Silence means comfort. Therefore, mufflers must develop a good sound absorption. This characteristic is obtained, in general, by increasing load losses.
  • Load loss represents the pressure to be maintained at the motor cylinder outlets so that all this mass of combustion gases can be expelled to the atmosphere.
  • Load loss increases as the number of motor rotations increases and as the mass of gases increases in each cycle, causing, accordingly, the flow velocity to rise.
  • the usual pressure/volume diagram shows the thermal output reduction as the cycle pressure range gets narrower.
  • These mufflers are constructed with tubes and steel plates, in addition to other materials having good accoustic properties, such as glass wool and rock wool.
  • the exhaust gas flow passes through a perforated tube covered by a sound-insulating material. It is through this tube that the direct contact of gases with the sound-absorbing material takes place. In this passage, sound vibrations are reduced.
  • the main advantage of that type of muffler is the possibility of construction affording the minimum resistance to the gas flow, thereby avoiding the already mentioned load losses. Also it is constituted of a reduced number of components, thus simplifying considerably the assembly operation.
  • the disadvantages include insufficient sound absorption, allowing a sound level rise above the standards acceptable by the regulating authorities. They are also inconvenienced in the utilization of glass or rock wool having microfilaments which penetrate into the skin and the respiratory organs of those who handle it, if the necessary cautions are not followed. Thus the handling of this wool causes a considerable delay in the manufacturing process.
  • the muffler raw material is carbon steel, it tends to become oxidized and undergo the corrosion process very quickly. As a consequence, its lifetime is limited.
  • the muffler of this invention due to the elements constituting it, has an appearance like that of a common sporting muffler described above. Important innovations, however, have been introduced so that the functional characteristics have become completely altered and the durability enhanced.
  • the raw materials have been chosen from a new point of view, that is, from their physical-chemical properties, according to the characteristics of each component and the conditions under which they operate.
  • FIG. 1 shows an end view of the muffler in question
  • FIG. 2 shows a longitudinal section of the assembly along line 2--2 of FIG. 1;
  • FIG. 3 is a scrap view, partly in section, of a clamp unit on the same muffler.
  • the present muffler designed to eliminate noises caused by gases from vehicle motors in general, is the type having a tubular cylindrical body 1 with tapered extremities ending in short necks 2 having radially outwardly bent ends 2a (FIG. 3).
  • a tubular cylindrical body 1 with tapered extremities ending in short necks 2 having radially outwardly bent ends 2a (FIG. 3).
  • an axial aluminum tube 3 with extremities 4 projecting outward from the assembly beyond ends 2a, said tube being perforated in the section inside body 1 and the internal space between said body 1 and tube 3 being filled with glass wool W.
  • the external body 1 is made by casting polyester resin reinforced with fiberglass and/or rock wool into the shape of the body. Furthermore, annular gaskets 6 are formed around necks 2 and which are adhered to the body 1 resin to avoid leakage.
  • the sound absorption material is positioned inside body 1, avoiding the handling of fiberglass or rock wook W during installation.
  • the body 1 is pre-cast with polyesther resin reinforced by fiberglass or rock wool. During assembly, the parts are fastened by means of clamps and glued with the resin itself, assuring protection against leakage. Also the usual chrome-plated tube surface has been substituted for by the polished extremity of the tube 4, which is of aluminum.
  • the body parts are given the final finish at the outset, thus eliminating further treatments, such as painting, labeling (rotulagens), etc.
  • the present muffler has a longer life than other types known, aluminum possessing the advantage of having a self-inhibiting oxidation; and polyesther and fiberglass being practically rust-proof;
  • the muffler As the outside of the muffler is made of polished aluminum with a reinforced resin body which is pre-cast with engraving and colored, the muffler is visually attractive in the marketplace.
  • Aluminum and reinforced resin also have specific gravities lower than that of steel. Therefore the muffler is lighter, and presents fewer problems when subjected to vibrations under use conditions.
  • the muffler's potential lower resistance to high temperatures has been the subject of study as it could limit the use of the resin body. But, during the tests caried out by simulating conditions more severe than those taking place in actual use, it has shown material stability, there being also, as regards safety, additives improving the material properties in this aspect.
  • the present muffler particularly due to its greater capacity of reducing noises caused by motors, to its load losses less than those of the existing models, to its greater durability by the fact that it has no unpleasant natural vibration frequency under use conditions, has, as a whole, characteristics of its own, presenting a new and different technical effect as regards economy and comfort.
US05/933,889 1977-09-16 1978-08-15 Muffler Expired - Lifetime US4239091A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR5701149U BR5701149U (pt) 1977-09-16 1977-09-16 Atenuador
BR5701149[U] 1977-09-16

Publications (1)

Publication Number Publication Date
US4239091A true US4239091A (en) 1980-12-16

Family

ID=3953000

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/933,889 Expired - Lifetime US4239091A (en) 1977-09-16 1978-08-15 Muffler

Country Status (2)

Country Link
US (1) US4239091A (pt)
BR (1) BR5701149U (pt)

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350223A (en) * 1980-01-16 1982-09-21 Nissan Motor Co., Ltd. Silencer
DE3238638A1 (de) * 1982-10-19 1984-04-19 Wilfried 6238 Hofheim Seitz Verfahren zum herstellen einer schalldaempf-fuellung fuer einen auspufftopf
GB2129490A (en) * 1982-10-26 1984-05-16 Alan William Richards Corrosion resistant exhaust silencers
US4834214A (en) * 1987-06-08 1989-05-30 Feuling James J Muffler for an internal combustion engine
US4846302A (en) * 1986-08-08 1989-07-11 Tenneco Inc. Acoustic muffler
US4862993A (en) * 1988-09-30 1989-09-05 Rieger Heinz H Fireplace flue ambient noise reducing device
EP0391014A2 (fr) * 1989-04-07 1990-10-10 Acerbis Italia S.P.A. Silencieux à absorption pour moteurs à explosion en particulier pour véhicules tout-terrain
US4993513A (en) * 1988-01-29 1991-02-19 Honda Giken Kogyo Kabushiki Kaisha Muffler
US5052513A (en) * 1986-11-26 1991-10-01 Showa Denko Kabushiki Kaisha Noise reductive resin muffler for exhaust system in combustion engine
US5152366A (en) * 1991-03-28 1992-10-06 The United States Of America As Represented By The Secretary Of The Navy Sound absorbing muffler
US5260522A (en) * 1990-02-08 1993-11-09 Mannesmann Aktiengesellschaft Double-wall hollow body with interlayer and method for manufacturing same
US5340952A (en) * 1991-10-30 1994-08-23 Honda Giken Kogyo Kabushiki Kaishi Exhaust muffler combining components made of different materials
ES2063596A1 (es) * 1991-05-24 1995-01-01 Chorro Pascual Garcia Silenciador para tubos de escape.
US5400830A (en) * 1992-11-12 1995-03-28 Ford Motor Company Composite automotive exhaust pipe
WO1996010687A1 (en) * 1994-09-30 1996-04-11 Arvin Industries, Inc. Resonator
US5633482A (en) * 1995-10-10 1997-05-27 Two Brothers Racing, Inc. Motorcycle exhaust system
US5832720A (en) * 1994-07-01 1998-11-10 Wartsila Diesel International Ltd Oy Method for utilizing a silencer unit and an arrangement for applying the method in a large diesel engine
WO1999027238A1 (en) * 1997-11-21 1999-06-03 Skone James, Robert, Edmund Silencer
GB2366836A (en) * 2000-09-14 2002-03-20 Peter Warwick Wright Longlife lightweight exhaust silencer with composite casing
US20040079582A1 (en) * 2002-10-29 2004-04-29 Dondi Beda Charles Muffler for suction system exhaust air used with an automatic cutting machine
US20040089500A1 (en) * 2002-10-31 2004-05-13 White Brothers Performance Products, Inc. Muffler with spark arrestor
US20040163887A1 (en) * 2003-02-25 2004-08-26 Ziehl John C. Exhaust silencer system
ES2230992A1 (es) * 2003-05-09 2005-05-01 Grupo De Aplicaciones Y Mantenimiento Ecologico, S.L. Silenciador acustico perfeccionado.
US20060022833A1 (en) * 2004-07-29 2006-02-02 Kevin Ferguson Human movement measurement system
US20060254843A1 (en) * 2005-05-12 2006-11-16 Schrandt Timothy D Switchable loud and quiet exhaust apparatus
US20070062757A1 (en) * 2005-09-21 2007-03-22 Arvin Technologies, Inc. Pressed assembly for passive valve installation
US20070240932A1 (en) * 2006-04-12 2007-10-18 Van De Flier Peter B Long fiber thermoplastic composite muffler system with integrated reflective chamber
US20070240934A1 (en) * 2006-04-12 2007-10-18 Van De Flier Peter Long fiber thermoplastic composite muffler system
WO2007120680A1 (en) * 2006-04-12 2007-10-25 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated crash management
US20080023264A1 (en) * 2006-07-27 2008-01-31 Pacini Larry W Muffler having adjustable butterfly valve for improved sound attenuation and engine performance
US7431125B2 (en) 2005-03-15 2008-10-07 Honeywell International Inc. Composite muffler for use with airborne auxiliary power unit
US20090045006A1 (en) * 2005-06-24 2009-02-19 Toshiyuki Kondo Noise Eliminator for Fuel Cell
US20090078498A1 (en) * 2007-09-26 2009-03-26 Darrin Woods Seamless in-line airboat muffler
US20090078499A1 (en) * 2007-09-26 2009-03-26 Timothy Sikes Muffler
US20090127022A1 (en) * 2007-11-21 2009-05-21 Kwin Abram Passive valve and resonator assembly for vehicle exhaust system
US20100307863A1 (en) * 2007-12-14 2010-12-09 Ocv Intellectual Capital, Llc Composite muffler system thermosetable polymers
US20110048849A1 (en) * 2009-08-28 2011-03-03 Honda Access Corp External cylinder and silencer provided with the external cylinder
US20110186378A1 (en) * 2008-09-22 2011-08-04 Stebro Psd Ltd. Open chamber exhaust mufflers and related methods of manufacture and use
US20110186376A1 (en) * 2010-02-02 2011-08-04 E.I. Du Pont De Nemours And Company Muffler with integrated catalytic converter and polymeric muffler body
US20120267191A1 (en) * 2009-10-20 2012-10-25 Tobias Danner Exhaust muffler
US20150337713A1 (en) * 2013-01-10 2015-11-26 Faurecia Emissions Control Technologies Usa, Llc Thermal Isolation Disc for Silencer
US20160013025A1 (en) * 2013-05-09 2016-01-14 Mattson Technology, Inc. System and Method for Protection of Vacuum Seals in Plasma Processing Systems
JP2017528652A (ja) * 2014-09-27 2017-09-28 ベバスト エスエーＷｅｂａｓｔｏ ＳＥ 一体型マフラを備えた加熱デバイス排気管構造体及びそれを生産するための方法
US10024146B2 (en) 2011-08-12 2018-07-17 Baker Hughes, A Ge Company, Llc System and method for reduction of an effect of a tube wave
CN110088436A (zh) * 2016-12-19 2019-08-02 Ocv智识资本有限责任公司 用纤维材料填充消音器的系统和方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1622692A (en) * 1926-05-12 1927-03-29 Wendling Albert George Exhaust muffler
US2244393A (en) * 1939-08-31 1941-06-03 Mackenzie Muffier Company Inc Muffler
US3220506A (en) * 1963-10-29 1965-11-30 Vernay Laboratories Wet muffler with cup-shaped baffles
US3227242A (en) * 1964-06-22 1966-01-04 Corning Glass Works Ceramic muffler with resilient sealing gaskets
US3522863A (en) * 1968-07-15 1970-08-04 Vincent E Ignoffo Glass-packed muffler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1622692A (en) * 1926-05-12 1927-03-29 Wendling Albert George Exhaust muffler
US2244393A (en) * 1939-08-31 1941-06-03 Mackenzie Muffier Company Inc Muffler
US3220506A (en) * 1963-10-29 1965-11-30 Vernay Laboratories Wet muffler with cup-shaped baffles
US3227242A (en) * 1964-06-22 1966-01-04 Corning Glass Works Ceramic muffler with resilient sealing gaskets
US3522863A (en) * 1968-07-15 1970-08-04 Vincent E Ignoffo Glass-packed muffler

Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350223A (en) * 1980-01-16 1982-09-21 Nissan Motor Co., Ltd. Silencer
DE3238638A1 (de) * 1982-10-19 1984-04-19 Wilfried 6238 Hofheim Seitz Verfahren zum herstellen einer schalldaempf-fuellung fuer einen auspufftopf
GB2129490A (en) * 1982-10-26 1984-05-16 Alan William Richards Corrosion resistant exhaust silencers
US4846302A (en) * 1986-08-08 1989-07-11 Tenneco Inc. Acoustic muffler
US5052513A (en) * 1986-11-26 1991-10-01 Showa Denko Kabushiki Kaisha Noise reductive resin muffler for exhaust system in combustion engine
US4834214A (en) * 1987-06-08 1989-05-30 Feuling James J Muffler for an internal combustion engine
US4993513A (en) * 1988-01-29 1991-02-19 Honda Giken Kogyo Kabushiki Kaisha Muffler
US4862993A (en) * 1988-09-30 1989-09-05 Rieger Heinz H Fireplace flue ambient noise reducing device
EP0391014A3 (en) * 1989-04-07 1990-12-05 Acerbis Plastica Italia S.P.A. Absorption silencer for internal combustion engines, especially for all-terrain vehicles
EP0391014A2 (fr) * 1989-04-07 1990-10-10 Acerbis Italia S.P.A. Silencieux à absorption pour moteurs à explosion en particulier pour véhicules tout-terrain
US5260522A (en) * 1990-02-08 1993-11-09 Mannesmann Aktiengesellschaft Double-wall hollow body with interlayer and method for manufacturing same
US5152366A (en) * 1991-03-28 1992-10-06 The United States Of America As Represented By The Secretary Of The Navy Sound absorbing muffler
ES2063596A1 (es) * 1991-05-24 1995-01-01 Chorro Pascual Garcia Silenciador para tubos de escape.
US5340952A (en) * 1991-10-30 1994-08-23 Honda Giken Kogyo Kabushiki Kaishi Exhaust muffler combining components made of different materials
US5400830A (en) * 1992-11-12 1995-03-28 Ford Motor Company Composite automotive exhaust pipe
US5832720A (en) * 1994-07-01 1998-11-10 Wartsila Diesel International Ltd Oy Method for utilizing a silencer unit and an arrangement for applying the method in a large diesel engine
WO1996010687A1 (en) * 1994-09-30 1996-04-11 Arvin Industries, Inc. Resonator
US5633482A (en) * 1995-10-10 1997-05-27 Two Brothers Racing, Inc. Motorcycle exhaust system
WO1999027238A1 (en) * 1997-11-21 1999-06-03 Skone James, Robert, Edmund Silencer
AU759110B2 (en) * 1997-11-21 2003-04-03 Bevan John Davis Silencer
US6543577B1 (en) 1997-11-21 2003-04-08 Stephanus Ferreira Silencer
CN1116505C (zh) * 1997-11-21 2003-07-30 斯蒂芬纳斯·费里拉 消音器
GB2366836A (en) * 2000-09-14 2002-03-20 Peter Warwick Wright Longlife lightweight exhaust silencer with composite casing
US6880670B2 (en) 2002-10-29 2005-04-19 Beda Charles Dondi Muffler for suction system exhaust air used with an automatic cutting machine
US20040079582A1 (en) * 2002-10-29 2004-04-29 Dondi Beda Charles Muffler for suction system exhaust air used with an automatic cutting machine
US20040089500A1 (en) * 2002-10-31 2004-05-13 White Brothers Performance Products, Inc. Muffler with spark arrestor
US20040163887A1 (en) * 2003-02-25 2004-08-26 Ziehl John C. Exhaust silencer system
US6868939B2 (en) 2003-02-25 2005-03-22 Vicious Cycle Performance, Inc. Exhaust silencer system
ES2230992A1 (es) * 2003-05-09 2005-05-01 Grupo De Aplicaciones Y Mantenimiento Ecologico, S.L. Silenciador acustico perfeccionado.
US20060022833A1 (en) * 2004-07-29 2006-02-02 Kevin Ferguson Human movement measurement system
US7431125B2 (en) 2005-03-15 2008-10-07 Honeywell International Inc. Composite muffler for use with airborne auxiliary power unit
US20060254843A1 (en) * 2005-05-12 2006-11-16 Schrandt Timothy D Switchable loud and quiet exhaust apparatus
US7510051B2 (en) * 2005-05-12 2009-03-31 Timothy Daniel Schrandt Switchable loud and quiet exhaust apparatus
US20090045006A1 (en) * 2005-06-24 2009-02-19 Toshiyuki Kondo Noise Eliminator for Fuel Cell
US20070062757A1 (en) * 2005-09-21 2007-03-22 Arvin Technologies, Inc. Pressed assembly for passive valve installation
US7575096B2 (en) * 2005-09-21 2009-08-18 Emcon Technologies Llc Pressed assembly for passive valve installation
US20070240932A1 (en) * 2006-04-12 2007-10-18 Van De Flier Peter B Long fiber thermoplastic composite muffler system with integrated reflective chamber
US7942237B2 (en) 2006-04-12 2011-05-17 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated reflective chamber
US20090014236A1 (en) * 2006-04-12 2009-01-15 Van De Flier Peter B Long fiber thermoplastic composite muffler system with integrated crash management
US7934580B2 (en) 2006-04-12 2011-05-03 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system
US7730996B2 (en) 2006-04-12 2010-06-08 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated crash management
WO2007120680A1 (en) * 2006-04-12 2007-10-25 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated crash management
US20070240934A1 (en) * 2006-04-12 2007-10-18 Van De Flier Peter Long fiber thermoplastic composite muffler system
US20080023264A1 (en) * 2006-07-27 2008-01-31 Pacini Larry W Muffler having adjustable butterfly valve for improved sound attenuation and engine performance
US20090078499A1 (en) * 2007-09-26 2009-03-26 Timothy Sikes Muffler
US7810609B2 (en) * 2007-09-26 2010-10-12 Chrysler Group Llc Muffler
US20090078498A1 (en) * 2007-09-26 2009-03-26 Darrin Woods Seamless in-line airboat muffler
US20090127022A1 (en) * 2007-11-21 2009-05-21 Kwin Abram Passive valve and resonator assembly for vehicle exhaust system
US8955641B2 (en) 2007-11-21 2015-02-17 Faurecia Emissions Control Technologies, Usa, Llc Passive valve and resonator assembly for vehicle exhaust system
US20100307863A1 (en) * 2007-12-14 2010-12-09 Ocv Intellectual Capital, Llc Composite muffler system thermosetable polymers
US20110186378A1 (en) * 2008-09-22 2011-08-04 Stebro Psd Ltd. Open chamber exhaust mufflers and related methods of manufacture and use
US20110048849A1 (en) * 2009-08-28 2011-03-03 Honda Access Corp External cylinder and silencer provided with the external cylinder
US8104571B2 (en) * 2009-08-28 2012-01-31 Honda Motor Co., Ltd. External cylinder and silencer provided with the external cylinder
US8485314B2 (en) * 2009-10-20 2013-07-16 Faurecia Emissions Control Technologies, Germany Gmbh Exhaust muffler
US20120267191A1 (en) * 2009-10-20 2012-10-25 Tobias Danner Exhaust muffler
US20110186376A1 (en) * 2010-02-02 2011-08-04 E.I. Du Pont De Nemours And Company Muffler with integrated catalytic converter and polymeric muffler body
US8146708B2 (en) * 2010-02-02 2012-04-03 E I Du Pont De Nemours And Company Muffler with integrated catalytic converter and polymeric muffler body
US10024146B2 (en) 2011-08-12 2018-07-17 Baker Hughes, A Ge Company, Llc System and method for reduction of an effect of a tube wave
US20150337713A1 (en) * 2013-01-10 2015-11-26 Faurecia Emissions Control Technologies Usa, Llc Thermal Isolation Disc for Silencer
US9599008B2 (en) * 2013-01-10 2017-03-21 Faurecia Emissions Control Technologies Usa, Llc Thermal isolation disc for silencer
US20160013025A1 (en) * 2013-05-09 2016-01-14 Mattson Technology, Inc. System and Method for Protection of Vacuum Seals in Plasma Processing Systems
US10049858B2 (en) * 2013-05-09 2018-08-14 Mattson Technology, Inc. System and method for protection of vacuum seals in plasma processing systems
JP2017528652A (ja) * 2014-09-27 2017-09-28 ベバスト エスエーＷｅｂａｓｔｏ ＳＥ 一体型マフラを備えた加熱デバイス排気管構造体及びそれを生産するための方法
CN110088436A (zh) * 2016-12-19 2019-08-02 Ocv智识资本有限责任公司 用纤维材料填充消音器的系统和方法
US10982582B2 (en) 2016-12-19 2021-04-20 Owens Corning Intellectual Capital, Llc Systems for and methods of filling mufflers with fibrous material
US11230961B2 (en) 2016-12-19 2022-01-25 Owens Corning Intellectual Capital, Llc Systems for and methods of filling mufflers with fibrous material

Also Published As

Publication number Publication date
BR5701149U (pt) 1978-03-07

Similar Documents

Publication Publication Date Title
US4239091A (en) Muffler
US1811762A (en) Exhaust muffler
US2046193A (en) Muffler
US4880078A (en) Exhaust muffler
US2661073A (en) Silencer or muffler
JPS59183018A (ja) 消音器
JPH01159407A (ja) 長形排気ダクト部品
US3361227A (en) Mufflers and exhaust systems
US3786897A (en) Exhaust muffler for two-stroke cycle engine
CN205559039U (zh) 双排气系统及车辆
JPH02501585A (ja) 音波の干渉を利用した自動車等の排気装置の為の消音装置
US1844106A (en) Exhaust muffler
US7527125B2 (en) Muffler for an exhaust system
CN203335144U (zh) 涡轮增压器消声器
CN201502421U (zh) 柴油发电机组中发动机防噪音结构
DE68914139D1 (de) Absorptions-Schalldämpfer für Brennkraftmaschinen, insbesondere für Geländefahrzeuge.
RU211578U1 (ru) Автомобильный глушитель
CN219691631U (zh) 一种双排气管结构
CN210033578U (zh) 一种三元催化器用外罩
CN215486222U (zh) 一种柴油发动机用消声器
JPS60198320A (ja) 自動二輪車用多気筒エンジンの排気装置
JPH0521620Y2 (pt)
CN210239805U (zh) 一种汽车排气管用消音器
CN206111277U (zh) 前置消声器总成
CN207278339U (zh) 一种汽车排气总成消声器冷端挡板